Guitar



FIG. 1 is perspective view of a guitar showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating portions of the guitar and form no part of the claimed design. 

CLAIM The ornamental design for a guitar, as shown and described. 